/**
 *  Copyright (c) 2014 The xmlepf project.  All rights reserved.
 *
 *  This file is part of xmlepf (Event Driven Testing Framework).
 *
 *  xmlepf is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  xmlepf is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with xmlepf.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  This software consists of voluntary contributions made by many
 *  individuals.  For exact contribution history, see the revision
 *  history and logs, available at http://code.google.com/p/xmlepf.
 */
package org.xmlepf.utils;

import java.util.Properties;

/**
 *
 *
 */
public class Configuration {

    public Configuration() {
        properties = new Properties();
    }
    private Properties properties;

    public String getProperty(String key) throws Exception {
        if (key.isEmpty()) {
            throw new Exception("Getting an empty configuration key is not allowed.");
        }
        if (properties.containsKey(key)) {
            return properties.getProperty(key);
        }
        throw new Exception("Configuration key '" + key + "' does not exist.");
    }

    public synchronized void setProperty(String key, String value) throws Exception {
        if (key.isEmpty()) {
            throw new Exception("Setting an empty key is not allowed.");
        }
        properties.setProperty(key, value);
    }

    public synchronized void removeAllProperties() {
        properties.clear();
    }
}
